Finding the Fourth Proportional to 98,246.54, 147,246.45 and 42,020.50
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Solution
The fourth proportional to 98,246.54, 147,246.45 and 42,020.50 is: 62,977.99
Step by Step Solution
- Step 1: Write the proportion equation
98,246.54 : 147,246.45 = 42,020.50 : x - Step 2: Convert to fraction form
98,246.54/147,246.45 = 42,020.50/x - Step 3: Cross multiply
98,246.54x = 147,246.45 × 42,020.50 - Step 4: Simplify right side
98,246.54x = 6,187,369,452.23 - Step 5: Solve for x
x = 6,187,369,452.23/98,246.54 - Step 6: Final answer
x = 62,977.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.